636066364 has 6 divisors (see below), whose sum is σ = 1113116144. Its totient is φ = 318033180.

The previous prime is 636066359. The next prime is 636066377. The reversal of 636066364 is 463660636.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79508292 + ... + 79508299.

Almost surely, 2^636066364 is an apocalyptic number.

It is an amenable number.

636066364 is a deficient number, since it is larger than the sum of its proper divisors (477049780).

636066364 is a wasteful number, since it uses less digits than its factorization.

636066364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159016595 (or 159016593 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 40.

The square root of 636066364 is about 25220.3561434013. The cubic root of 636066364 is about 860.0046709680.

The spelling of 636066364 in words is "six hundred thirty-six million, sixty-six thousand, three hundred sixty-four".